She was born on June 25, 1939 in Avoca, Iowa, the daughter of Peter and Ella (Scott) Christensen, Sr. Her family moved to El Dorado when she was a toddler. Sonja attended school in El Dorado, graduating from El Dorado High School in 1957. On Dec. 16, 1968 in Wichita, Sonja was married to Billy B. Walker; he preceded her in death on Nov. 15, 1999. Sonja was a homemaker and enjoyed fishing, gardening and Bingo, she was very social and everyone loved her.

Sonja is survived by a son, Chris Haines of Norton, Kan.; step-sons, Billy Walker, Jr. of Wichita and Chuck (Sheryl) Walker of Albuquerque, N.M.; daughters, Karyn Haines of Wichita, Sherry (Zack) Alabassi of Littleton, Colo., and Kathy (Dan) Haines Cullinane of Wichita; step daughter, Teri (Terry) Taylor of Larned, Kan.; brother, Pete (Toy) Christensen, Jr. of Wichita; sisters, Bonnie Hull of Nebraska, Berniece (Sam) Hamilton of Houston, Texas, and Carolyn Barker of El Dorado; 13 grandchildren; and two great grandchildren. She is preceded by her husband Billy, parents, one sister Peggy, a brother Jim and her daughter Carla. A memorial has been established with Heritage House Residence Association. Kirby-Morris Funeral Home is in charge of arrangements. To leave condolences go to www.kirbymorrisfuneralhome.com.